Harley Motor Crank Cases Engine Block Set For Buell XB9 XB12 Firebolt 3.67 Y7. For sale is an Excellent Used set of stock Finished Harley ENGINE CASE'S, to fit BUELL XB9 & XB12 models. Bore is measured at: 3.67, ######xA0; there is a broken chunk between the cases, and damage internal at bottom, will need to be repaired.Everything else looks good no cracks or other damage. Case numbers are: 24785-02A, 24788-02A Check out all the pictures. Any product you return must be in the same condition you received it and in the original packaging. Bore is measured at: 3.67, there is a broken chunk between the cases, and damage internal at bottom, will need to be repaired. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Other Engines & Engine Parts". The seller is "alpinejohn" and is located in this country: US. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia.